Description An issue was discovered in Joomla! 3.2.0 through 3.9.24. Missing input validation within the template manager. Remediation References CVE-2021-23131 Related Vulnerabilities phpMyAdmin Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2011-3591) WordPress Plugin VM Backups Cross-Site Request Forgery (1.0) Jenkins Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2017-1000399) SharePoint CVE-2020-1335 Vulnerability (CVE-2020-1335) Osclass Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') Vulnerability (CVE-2012-5163) Severity High Classification CVE-2021-23131 CWE-20 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Tags Missing Update Known Vulnerabilities